#include <iostream>
#include<cstring>
using namespace std;


int main()
{
    int g = 0;
    int n = 100;
    int i = 0;
    for (i = 2; i < n; i++)
    { 
        int count = 0;
        for (g = 2; g < n; g++)
        {
            if (i % g == 0)
            
             
            
            break;

        }if (g>=i)
            cout << "" << i;
    }



}